55518088 has 8 divisors (see below), whose sum is σ = 104096430. Its totient is φ = 27759040.

The previous prime is 55518077. The next prime is 55518101. The reversal of 55518088 is 88081555.

It can be written as a sum of positive squares in only one way, i.e., 39212644 + 16305444 = 6262^2 + 4038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 55518088.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469873 + ... + 3469888.

Almost surely, 2^55518088 is an apocalyptic number.

It is an amenable number.

55518088 is a deficient number, since it is larger than the sum of its proper divisors (48578342).

55518088 is a wasteful number, since it uses less digits than its factorization.

55518088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939767 (or 6939763 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 40.

The square root of 55518088 is about 7451.0461010519. The cubic root of 55518088 is about 381.4856156046.

The spelling of 55518088 in words is "fifty-five million, five hundred eighteen thousand, eighty-eight".